valgus stress test

valgus stress test

A test of ligament laxity, where a passive force is exerted on a joint that, in the presence of ligamentous insufficiency, would cause the medial joint space to open, e.g., medial collateral ligament of the knee and ulnar collateral ligament of the elbow.

To perform a valgus stress test, the hands do not change position; the internal rotation of the leg is released so that the leg lies in neutral, the knee is flexed to 20[degrees], and a valgus stress is imposed (Fig.

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